85980400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19541}}^1$

素因数の和:19570

約数の個数: 60

約数和(自身を含む): 225358344

約数和(自身を除く): 139377944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 19541, 39082, 78164, 97705, 156328, 195410, 214951, 312656, 390820, 429902, 488525, 781640, 859804, 977050, 1074755, 1563280, 1719608, 1954100, 2149510, 3439216, 3908200, 4299020, 5373775, 7816400, 8598040, 10747550, 17196080, 21495100, 42990200, 85980400]

約数ペア:

[(1, 85980400), (2, 42990200), (4, 21495100), (5, 17196080), (8, 10747550), (10, 8598040), (11, 7816400), (16, 5373775), (20, 4299020), (22, 3908200), (25, 3439216), (40, 2149510), (44, 1954100), (50, 1719608), (55, 1563280), (80, 1074755), (88, 977050), (100, 859804), (110, 781640), (176, 488525), (200, 429902), (220, 390820), (275, 312656), (400, 214951), (440, 195410), (550, 156328), (880, 97705), (1100, 78164), (2200, 39082), (4400, 19541)]